Spring retrieving reel



July 19, 1932- c. c. CRISPEN SPRING RETRIEVING REEL Filed May 26, 1931INVENTOR C rzlspen.

MVQ.

ATTORNEY Patented July 19, 1932 PATENT FFICE CLARENCE C. CBISPEN, OFHARRISBURG, PENNSYLVANIA SPRING RETRIEVING REEL Application filed May26,

My invention relates to improvements in spring retrieving reels whichare used in connection with cables or cords carrying electricalconductors, and it consists in the combinations, constructions andarrangements herein described and claimed.

An object of my invention is to provide a spring retrieving reel whichis of co nparatively simple construction, but 1n which .movable contactssuch as conducting rings,

brushes, etc., are eliminated.

A further object of the invention is to provide a device of the typedescribed which is so constructed that the cord or cable does not twistwith each revolution, as with some devices, for the same purpose.

i A further object is to provide a spring reel in which it is immaterialas far as the operation of the device is concerned, whether there areone, two or multiple conductor cords.

Other objects and advantages will appear in the following specificationand the novel features of the invention will be particularly pointed outin the appended claims.

My invention is illustrated in the accompanying drawing forming part ofthis ap plication, in which:

Figure 1 is a side view of the device with the cover disk and hubremoved, showing the spring and cord in unwound position.

Figure 2 is a similar view showing the cord and spring wound up intocompact condition, and

Figure 3 is an enlarged diametrical sectional view.

In carrying out my invention I provide a supporting back 1, having anopening in which is disposed a central shaft 2. This shaft also passesthrough a central opening in a cup 3, which, as will be seen from Figs.1 and 2, is provided with an opening 4 in its side wall. In the rear ofthe support is a plate 5. Screws 6 pass through the cup, support 1, andthe plate 5, thus binding these parts securely together. The shaft isprovided with a hub 7 which has a flange 8 arranged to abut a disk 9through which the hub passes, this hub being secured in posi- 1931.Serial No. 540,145.

tion by a washer l0 and a cotter pin 11, as shown in Fig. 3.

A cord or cable 12 passes through the alined openings 13 in thesupporting back and the cup 3 is bent around, as shown in Figs. 1 and 2,where it passes underneath a retaining clip 14, and then out from thecup through the opening 1.

A coiled spring 15 is secured at 16 to the outside of the cup 3. Thecord or cable 12 is coiled around the spring between adjacentconvolutions, and passes through an opening 17a in a ring 17 As will beseen from Fig. 3, this ring 17 is secured to the disk 9 by means ofscrews 18. A portion of this ring is spaced from the supporting back 1,and an annular flange 19 is secured to the ring by screws such as thatshown at 20. The outer portions of the disk 9 and the flange 19 areflared outwardly, and the space between, together with the ring 17constitutes a spool upon which the cord or cable is wound. The outer endof the spring 12 is fastened to the ring 17 as shown at 21. As will beseen from Fig. 8, the space between the supporting back 1 and the disk 9is sufficient to permit the spring to expand or contract freely whilemaintaining each convolution of the cord in its proper place between theadjacent convolutions of the spring.

From the foregoing description of the various parts of the device, theoperation thereof may be readily understood. In Fig. 1 I have shown thespring and the confined cord in expanded position. When now the cord 12is pulled, as for instance to the left in Figs. 1 and 2, the reel willbe rotated around the shaft 2 as acenter, and since the reel carrieswith it the ring 17, which is in fact a part of it, the spring, which isattached to the ring, will be wound up, as shown in Fig. 2. The springunder tension will tend to unwind when force on the cord is relieved.This will rotate the reel in the reverse direction, and will wind up thecord in the outer space between the flange 19 and the edge of the disk9.

It will thus be seen that the cord can be pulled out and wound upwithout the necessity of sliding electrical contacts such as that inconducting rings and brushes. There is, therefore, less liability offailure of the device to work than where such electrical connections areprovided. Furthermore, the construction is a simpler one, and as stated,there is no twisting of the cord since a straight pull will bring theportions carried by the real into-direct alinement with the pullingforce at the point where the cord leaves the reel.

I claim: I

1. In a spring retrieving reel comprising a support, a shaft carried bythe support, a hub rotatable on said shaft, 21- cup-shaped receptaclesecured to said support, said receptacle and. said support having alinedopenings, and one Wall of the receptacle being cut away, a spiral springhaving one end secured to the wall of saidreceptacle on the outsidethereof andbeing coiled around said receptacle, a disk mounted on saidhub, and a ring mounted between said disk and said supportconcentrically of said shaft, and being secured to said disk.

2. In aspring retrieving reel comprising asupport, a shaft carried bythe support, a hub rotatable on said shaft, a cup-shaped receptaclesecured to said support, said receptable and said support having alinedopenings, and onewall of the receptacle being cut away, a spiral springhaving one end secured fothe wall of said receptacle on the outsidethereofandbeing coiled around d receptacle, a disk mounted on said hub,aring mounted" between said disk and said support concentrically of saidshaft and being se cured to said disk, said disk having a por tionprojecting beyond said ring, and an annular, flange secured to the ringand being spacethfrom said support, the space between the annularflange, the disk, and the ring constituting .a spool.

In a spring retrieving reel comprising asupportpa shaft carried by thesupport, a hub rotatable on saidshaft, a cup-shaped receptacle securedto said support, said receptacleand saidsupport having alined openings,and one wall of the receptacle being cut away,a spiral spring having oneend secured to the WtLl-l ofsaid receptacle on the outside thereof andbeing coiled around said receptacle, aidisk mounted'on said hub, a ringmounted between said disk and said support concentrically of said shaftand being securedto said disk, said disk having a portion projectingbeyond said ring, an annular flange securedto the ring and being spacedfrom said support, the space between the annular flange, the disk, andthe ring constituting a spool, said ring having an opening, and acordextending through thealined openings in the receptacle and thesupport, and passing through the opening in the wall of the receptacle,said cord being wound between the :convolutions of the spring and havinga portion passing through the opening in the ring, and another portionWound around the spool. 4. In a spring retrieving reel comprising asupport, a shaft carried by the support, a hub rotatable on said shaft,a cup-shaped receptacle secured to said support, said receptacle andsaid support having alined openings, and one wall of the receptaclebeing cut away, a spiral spring having one end secured to the wall ofsaid receptacle on the outside thereof and being coiled around saidreceptacle, a disk mounted on said hub, a ring mounted between said diskand said support concentrically of said shaft and being secured to saiddislnsaid disk having a portion projecting beyond said ring,.an annularflange secured to the ring and being spaced from said support, the spacebetween the annular flange, the disk, and the ring constituting a spool,said ring having an-opening, a cord extending through the alinedopenings in the cylindrical compartment and the support, and passingthrough the open ing in the wall of the cylindrical compartment, saidcord being wound'between the convolutions of the spring and havingaportion passing through the. opening in the ring, and another portionwound around the spool, and means forsecuring one end of the spring tothe inner face of the ring. c

5; In a spring retrievingreel, a support, a shaft carried bythe-support,a hubrotatable on said shaft, a cup-shaped receptacle secured to saidsupport, said receptacle and said supporthaving alined openings and on'ewall, of the receptacle being cut away, a spiral spring having one endsecured to the Wallofsaid receptacle on the outside thereof and beingcoiled around the receptacle and a cable passingthrough said alinedopenings-and through the wall of the receptacle and having a portionextending between the convolutions'of the spring.

- CLARENCE CL; 'CRI-SPEN.

